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Grok 4.6 vs o1-pro

Comparing Grok 4.6 and o1-pro across benchmarks, pricing, and capabilities.

xAI · OpenAI · Updated for 2026

Which is better?

Grok 4.6 and o1-pro trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

Based on current benchmark, pricing, and model metadata for 2026.

Choose Grok 4.6

  • you want the most recent training data — it shipped Aug 2026

Choose o1-pro

  • you are already invested in the OpenAI ecosystem

At a glance

The differences that matter most.

Grok 4.6
xAI
o1-pro
OpenAI
Benchmark wins
—
—
Input price
$2.00 / M
— / M
Output price
$6.00 / M
— / M
Context window
500,000
—
Released
Aug 2026
Dec 2024
License
Proprietary
Proprietary

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

Grok 4.6 and o1-prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Playground indexes and blind preference scores

Context Window

Maximum input and output token capacity

Only Grok 4.6 specifies input context (500,000 tokens).

xAI
Grok 4.6
Input500,000 tokens
Output- tokens
OpenAI
o1-pro
Input- tokens
Output- tokens
Mon Aug 24 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Grok 4.6 and o1-pro support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Grok 4.6

Text
Images
Audio
Video

o1-pro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Grok 4.6

Proprietary

Closed source

o1-pro

Proprietary

Closed source

Release Timeline

When each model was launched

Grok 4.6 was released on 2026-08-12, while o1-pro was released on 2024-12-17.

Grok 4.6 is 20 months newer than o1-pro.

Grok 4.6

Aug 12, 2026

1 weeks ago

1.7yr newer
o1-pro

Dec 17, 2024

1.7 years ago

Knowledge Cutoff

When training data ends

Grok 4.6 has a knowledge cutoff of 2026-02-01, while o1-pro has a cutoff of 2023-09-30.

Grok 4.6 has more recent training data (up to 2026-02-01), making it potentially better informed about events through that date compared to o1-pro (2023-09-30).

Grok 4.6

Feb 2026

2.4 yr newer
o1-pro

Sep 2023

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Grok 4.6 and o1-pro side-by-side, then vote on the output you prefer.

Grok 4.6
✓ Preferred
o1-pro
Open in Playground

FAQ

Common questions about Grok 4.6 vs o1-pro.

Which is better, Grok 4.6 or o1-pro?

Grok 4.6 (xAI) and o1-pro (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Grok 4.6 compare to o1-pro in benchmarks?

Grok 4.6 scores CursorBench v3.2: 69.9%, DeepSWE 1.1: 65.9%, FrontierCode: 61.3%, AA-Index: 61.0%, GDPval-AA: 58.4%. o1-pro scores AIME 2024: 86.0%, GPQA: 79.0%.

What are the context window sizes for Grok 4.6 and o1-pro?

Grok 4.6 supports 500K tokens and o1-pro supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Grok 4.6 and o1-pro?

Grok 4.6 is developed by xAI and o1-pro is developed by OpenAI.

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